iRhythm Holdings, Inc.
IRTC- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001388658
In the last 90 days, iRhythm Holdings, Inc. insiders filed 0 open-market purchases and 11 sales; 303 institutions reported holding it in 13F filings for Q2 2026, worth $4.24B in total; no superinvestor holds it.
13F holders, Q4 2021
Institutional positions in iRhythm Holdings, Inc. as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 213
- +28 vs. Q3 2021
- Shares held
- 29.1M
- +1.07M (+3.8%) vs. Q3 2021
- Total value
- $3.43B
- +$1.79B (+108.7%) vs. Q3 2021
- New holders
- 54
- 60 more added
- Sold out
- 26
- 70 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRTC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 303 | $4.24B |
| Q1 2026 | 305 | $4.19B |
| Q4 2025 | 335 | $6.24B |
| Q3 2025 | 338 | $5.97B |
| Q2 2025 | 304 | $5.44B |
| Q1 2025 | 256 | $3.77B |
| Q4 2024 | 227 | $3.09B |
| Q3 2024 | 242 | $2.55B |
| Q2 2024 | 228 | $3.82B |
| Q1 2024 | 253 | $4.00B |
| Q4 2023 | 222 | $3.53B |
| Q3 2023 | 224 | $3.12B |
| Q2 2023 | 203 | $3.47B |
| Q1 2023 | 209 | $4.18B |
| Q4 2022 | 208 | $2.92B |
| Q3 2022 | 233 | $3.81B |
| Q2 2022 | 242 | $3.28B |
| Q1 2022 | 222 | $4.78B |
| Q4 2021 | 213 | $3.43B |
| Q3 2021 | 186 | $1.64B |
| Q2 2021 | 183 | $1.93B |
| Q1 2021 | 217 | $4.33B |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding iRhythm Holdings, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Trexquant Investment LP | 8,991 | $1.06M | 0.07% | +8,991 | New |
| Simplex Trading, LLC | 9,446 | $1.11M | 0.04% | −12,864−57.7% | Reduced |
| WoodTrust Financial Corp | 9,782 | $1.15M | 0.24% | +1,000+11.4% | Added |
| Caption Management, LLC | 10,000 | $1.18M | 0.07% | +10,000 | New |
| Oppenheimer Asset Management Inc. | 10,427 | $1.23M | 0.02% | +2,440+30.5% | Added |
| MetLife Investment Management | 10,573 | $1.24M | 0.01% | 00.0% | Unchanged |
| STRS Ohio | 11,000 | $1.29M | 0.00% | +11,000 | New |
| Man Group plc | 11,120 | $1.31M | 0.00% | −16,000−59.0% | Reduced |
| Cubist Systematic Strategies, LLC | 11,194 | $1.32M | 0.01% | −19,150−63.1% | Reduced |
| Voya Investment Management LLC | 11,464 | $1.35M | 0.00% | −52−0.5% | Reduced |
| State Board of Administration of Florida Retirement System | 11,607 | $1.37M | 0.00% | −454−3.8% | Reduced |
| SEI Investments Co | 11,835 | $1.39M | 0.00% | +3,445+41.1% | Added |
| Citigroup Inc | 13,217 | $1.56M | 0.00% | −100−0.8% | Reduced |
| Wolverine Trading, LLC | 13,357 | $1.57M | 0.02% | +6,866+105.8% | Added |
| Cinctive Capital Management LP | 14,000 | $1.65M | 0.08% | −2,000−12.5% | Reduced |
| Panagora Asset Management Inc | 14,263 | $1.68M | 0.01% | −4,075−22.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 14,458 | $1.75M | 0.01% | −8,617−37.3% | Reduced |
| Manufacturers Life Insurance Company, The | 14,953 | $1.76M | 0.00% | −484−3.1% | Reduced |
| Stifel Financial Corp | 15,107 | $1.78M | 0.00% | +3,474+29.9% | Added |
| American International Group, Inc. | 15,681 | $1.84M | 0.01% | −469−2.9% | Reduced |
| Walleye Trading LLC | 17,515 | $2.06M | 0.03% | +11,703+201.4% | Added |
| Tudor Investment Corp Et Al | 17,734 | $2.09M | 0.04% | +17,734 | New |
| GAM Holding AG | 17,801 | $2.10M | 0.09% | +2,505+16.4% | Added |
| Gilder Gagnon Howe & Co LLC | 17,889 | $2.10M | 0.01% | −109−0.6% | Reduced |
| Crestline Management, LP | 18,050 | $2.12M | 0.16% | −9,630−34.8% | Reduced |
| Stanley-Laman Group, Ltd. | 20,726 | $2.44M | 0.29% | +20,726 | New |
| EULAV Asset Management | 20,300 | $2.45M | 0.06% | 00.0% | Unchanged |
| Deutsche Bank AG | 21,064 | $2.48M | 0.00% | +543+2.6% | Added |
| Envestnet Asset Management Inc | 21,228 | $2.50M | 0.00% | +6,451+43.7% | Added |
| Western Standard LLC | 21,600 | $2.54M | 1.50% | +21,600 | New |
| Lisanti Capital Growth, LLC | 21,640 | $2.55M | 0.37% | +21,640 | New |
| Bradley Mark J. | 21,950 | $2.58M | 1.69% | +14,625+199.7% | Added |
| Prelude Capital Management, LLC | 23,268 | $2.74M | 0.14% | +23,268 | New |
| Brinker Capital Investments, LLC | 24,332 | $2.86M | 0.04% | +5,348+28.2% | Added |
| Susquehanna International Group, LLP | 25,665 | $3.02M | 0.00% | −52,819−67.3% | Reduced |
| Mutual of America Capital Management LLC | 27,815 | $3.27M | 0.03% | −259−0.9% | Reduced |
| Exchange Traded Concepts, LLC | 28,006 | $3.30M | 0.06% | −44,770−61.5% | Reduced |
| State of New Jersey Common Pension Fund D | 28,016 | $3.30M | 0.01% | +28,016 | New |
| Bridgewater Associates, LP | 31,364 | $3.69M | 0.02% | +2,804+9.8% | Added |
| Russell Investments Group, Ltd. | 31,485 | $3.70M | 0.01% | −12,679−28.7% | Reduced |
| AXA S.A. | 31,507 | $3.71M | 0.01% | 00.0% | Unchanged |
| Rhumbline Advisers | 31,703 | $3.73M | 0.00% | −408−1.3% | Reduced |
| Marshall Wace, LLP | 31,733 | $3.73M | 0.01% | +31,733 | New |
| Point72 Asset Management, L.P. | 34,900 | $4.11M | 0.02% | +34,900 | New |
| TD Asset Management Inc | 36,026 | $4.24M | 0.00% | +11,573+47.3% | Added |
| Royal Bank of Canada | 37,441 | $4.41M | 0.00% | +8,703+30.3% | Added |
| UBS Asset Management Americas Inc | 38,237 | $4.50M | 0.00% | −1,847−4.6% | Reduced |
| Integral Health Asset Management, LLC | 40,000 | $4.71M | 1.31% | +40,000 | New |
| California State Teachers Retirement System | 40,889 | $4.81M | 0.01% | +970+2.4% | Added |
| Allspring Global Investments Holdings, LLC | 41,506 | $4.88M | 0.01% | +41,506 | New |
| Group One Trading, L.P. | 41,892 | $4.93M | 0.09% | +32,349+339.0% | Added |
| Parametric Portfolio Associates LLC | 42,586 | $5.01M | 0.00% | +16,429+62.8% | Added |
| Alliancebernstein L.P. | 48,465 | $5.70M | 0.00% | −300−0.6% | Reduced |
| Parian Global Management LP | 54,466 | $6.41M | 5.80% | −1,990−3.5% | Reduced |
| Jane Street Group, LLC | 54,898 | $6.46M | 0.01% | +19,844+56.6% | Added |
| Goldman Sachs Group Inc | 57,522 | $6.77M | 0.00% | +16,755+41.1% | Added |
| State of Wisconsin Investment Board | 60,500 | $7.12M | 0.01% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 61,980 | $7.29M | 1.65% | +29,480+90.7% | Added |
| Ameriprise Financial Inc | 63,564 | $7.48M | 0.00% | −173,806−73.2% | Reduced |
| Swiss National Bank | 64,800 | $7.63M | 0.00% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 65,793 | $7.72M | 0.04% | +542+0.8% | Added |
| Dimensional Fund Advisors LP | 65,889 | $7.75M | 0.00% | +49,562+303.6% | Added |
| Millennium Management LLC | 71,055 | $8.36M | 0.01% | −241,164−77.2% | Reduced |
| Eversept Partners, LP | 73,169 | $8.61M | 0.72% | −40,685−35.7% | Reduced |
| Morgan Stanley | 77,596 | $9.13M | 0.00% | −113,082−59.3% | Reduced |
| C WorldWide Group Holding A/S | 80,000 | $9.41M | 0.09% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 83,056 | $9.78M | 0.06% | 00.0% | Unchanged |
| Clough Capital Partners L P | 95,375 | $11.2M | 0.75% | +5,675+6.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 108,817 | $12.8M | 0.03% | −48,759−30.9% | Reduced |
| Voloridge Investment Management, LLC | 116,980 | $13.8M | 0.08% | −117,688−50.2% | Reduced |
| Nuveen Asset Management, LLC | 117,184 | $13.8M | 0.00% | −4,016−3.3% | Reduced |
| CWM, LLC | 117,781 | $13.9M | 0.10% | +117,781 | New |
| Wells Fargo & Company | 117,847 | $13.9M | 0.00% | +17,401+17.3% | Added |
| D. E. Shaw & Co., Inc. | 123,322 | $14.5M | 0.02% | −51,584−29.5% | Reduced |
| Polar Asset Management Partners Inc. | 128,400 | $15.1M | 0.18% | +44,700+53.4% | Added |
| Balyasny Asset Management LLC | 128,579 | $15.1M | 0.06% | −31,130−19.5% | Reduced |
| HRT Financial LP | 132,463 | $15.6M | 0.09% | +121,273+1,083.8% | Added |
| Artisan Partners Limited Partnership | 150,903 | $17.8M | 0.02% | +150,903 | New |
| Bank of America Corp | 159,639 | $18.8M | 0.00% | +41,628+35.3% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 161,343 | $19.0M | 1.21% | +61,571+61.7% | Added |
| Sofinnova Investments, Inc. | 168,882 | $19.9M | 1.27% | +168,882 | New |
| Hitchwood Capital Management LP | 180,000 | $21.2M | 0.99% | +180,000 | New |
| Charles Schwab Investment Management Inc | 208,976 | $24.6M | 0.01% | +4,135+2.0% | Added |
| New York State Common Retirement Fund | 225,522 | $26.5M | 0.03% | +63,582+39.3% | Added |
| Legal & General Group Plc | 259,966 | $30.6M | 0.01% | −229,881−46.9% | Reduced |
| Vident Investment Advisory, LLC | 279,210 | $32.9M | 0.85% | −298,375−51.7% | Reduced |
| Northern Trust Corp | 297,741 | $35.0M | 0.01% | −7,578−2.5% | Reduced |
| Wellington Management Group LLP | 308,170 | $36.3M | 0.01% | −806,529−72.4% | Reduced |
| Bridger Management, LLC | 309,100 | $36.4M | 4.70% | +309,100 | New |
| Bank of New York Mellon Corp | 313,681 | $36.9M | 0.01% | −30,521−8.9% | Reduced |
| Norges Bank | 334,389 | $39.4M | 0.01% | −15,947−4.6% | Reduced |
| Stephens Investment Management Group LLC | 348,597 | $41.0M | 0.53% | +74,915+27.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 388,581 | $45.7M | 0.15% | +31,773+8.9% | Added |
| Bessemer Group Inc | 425,638 | $50.1M | 0.10% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 433,000 | $51.0M | 1.18% | −15,000−3.3% | Reduced |
| Janus Henderson Group PLC | 493,636 | $58.1M | 0.02% | +493,636 | New |
| Geode Capital Management, LLC | 508,000 | $59.8M | 0.01% | +15,996+3.3% | Added |
| Citadel Advisors LLC | 508,594 | $59.9M | 0.06% | −107,121−17.4% | Reduced |
| PFM Health Sciences, LP | 523,982 | $61.7M | 2.15% | +523,982 | New |
| Price T Rowe Associates Inc | 524,505 | $61.7M | 0.01% | +182,413+53.3% | Added |